Notre-Dame Cathedral is located on the Île de la Cité, one of the two natural islands in the Seine River. Take some time to explore this historic island and discover its hidden gems. Visit the Sainte-Chapelle, a stunning medieval chapel known for its breathtaking stained glass windows. Explore the Conciergerie, a former royal palace turned prison during the French Revolution. Wander through the charming streets and admire the beautiful architecture. Take a moment to relax in the Square du Vert-Galant, a peaceful park with a panoramic view of the river. The Île de la Cité offers a glimpse into the rich history of Paris and is a must-visit for history enthusiasts.